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Differential scanning calorimetry (DSC) is a widely utilized method for the interactions of drug molecules with drug delivery systems (DDSs). Herein is described a protocol for studying the interactions and entrapment efficiency of the prototype sartan losartan and the polydynamic, structurally similar irbesartan inside the nontoxic 2-hydroxypropyl-β-cyclodextrin (2-HP-β-CD). The thermal scan properties of both sartan molecules have been studied when physically mixed or complexed with the cyclodextrin. The thermograms indeed showed significant differences between the mixtures and complexes, establishing DSC as a valuable method to characterize the state of the drugs in these pharmaceutical formulations.


Nikolaos Naziris, Maria Chountoulesi, Dimitrios Ntountaniotis, Thomas Mavromoustakos, Costas Demetzos. Differential Scanning Calorimetry (DSC) on Sartan/Cyclodextrin Delivery Formulations. Methods in molecular biology (Clifton, N.J.). 2021;2207:163-174

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PMID: 33113135

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